Color

#2c78ce

#2c78ce
hex#2c78ce
rgbrgb(44, 120, 206)
hslhsl(212, 65%, 49%)
oklchoklch(0.571 0.152 254.2)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1842

Colors that go with #2c78ce

Charcoal, Crimson and Copper lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ce822c

#2cc9ce · #312cce

#ce2c78 · #78ce2c

Split-complementary

Open in tool →

#ce312c · #c9ce2c

#ce2cc9 · #ce822c · #2cce31

Contrast

#2c78ce as textRatioAAAA largeAAAFix
Aaon white
4.48:1failpassfail
  • AA: use #2b75ca as the text (4.67:1)
  • AAA: use #205897 as the text (7.23:1)
  • AA: or shift the background to #050505 (4.55:1)
Aaon black
4.68:1passpassfail
  • AAA: use #5f9add as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c78ce as the background.

Brands using this color

Fonts for this mood

#2c78ce reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c78ce
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2c78ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c78ce-9caac4-df564e-1f202d-e9f1f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md